Data acquisition enhancement in shape and multispectral color measurements of 3d objects

Authors:
Grzegorz Mączkowski;Robert Sitnik;Jakub Krzesłowski
Affiliations:
Institute of Micromechanics and Photonics, Warsaw University of Technology, Warsaw, PL, Poland;Institute of Micromechanics and Photonics, Warsaw University of Technology, Warsaw, PL, Poland;Institute of Micromechanics and Photonics, Warsaw University of Technology, Warsaw, PL, Poland
Venue:
ICISP'12 Proceedings of the 5th international conference on Image and Signal Processing
Year:
2012

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Abstract

The paper presents application of a correction technique proposed for registering images by a CCD (Charged Coupled Device) camera. The device is installed in a 3D shape, angular reflectance distribution and multispectral color measurement system set up for digitization of cultural heritage objects. The procedure compensates for the camera noise and scene illumination non-uniformity according to previously published model. The paper describes the measurement system and provides analysis of data collected from measurements of the Color Checker reference target and uniform reference plane to evaluate enhancement of reflectance and shape accuracy after correction. Additionally a few examples of digitized objects are shown.